arm: dts: am335x: sync cpsw/mdio/phy with latest linux - drop phy_id

Synchronize CPSW/MDIO/PHY DT nodes with latest linux - replace deprecated
phy_id property with phy-handle.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Hannes Schmelzer <hannes.schmelzer@br-automation.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Felix Brack <fb@ltec.ch>
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
diff --git a/arch/arm/dts/am335x-brsmarc1.dts b/arch/arm/dts/am335x-brsmarc1.dts
index 1a7f9a5..e1738b6 100644
--- a/arch/arm/dts/am335x-brsmarc1.dts
+++ b/arch/arm/dts/am335x-brsmarc1.dts
@@ -247,6 +247,14 @@
 
 &davinci_mdio {
 	status = "okay";
+
+	ethphy0: ethernet-phy@1 {
+		reg = <1>;
+	};
+
+	ethphy1: ethernet-phy@3 {
+		reg = <3>;
+	};
 };
 
 &mac {
@@ -258,13 +266,13 @@
 };
 
 &cpsw_emac0 {
-	phy_id = <&davinci_mdio>, <1>;
+	phy-handle = <&ethphy0>;
 	phy-mode = "rmii";
 	ti,ledcr = <0x0480>;
 };
 
 &cpsw_emac1 {
-	phy_id = <&davinci_mdio>, <3>;
+	phy-handle = <&ethphy1>;
 	phy-mode = "rmii";
 	ti,ledcr = <0x0480>;
 };